Simple machines include a lever, a pulley, a wheel and axle, and an inclined plane. A complex machine uses a combination of interacting simple machines, e.g., a bicycle.
Students will understand and apply scientific concepts, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science.
Energy and matter interact through forces that result in changes in motion.
Observe, describe, and compare effects of forces (gravity, electric current, and magnetism) on the motion of objects.